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2011-10-28[PCH] Sort the file decls by file offset not raw source location.Argyrios Kyrtzidis
Currently sorting by raw source location does work as intended but who knows what may change in the future.. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143256 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28[PCH] In ASTWriter::associateDeclWithFile don't bother finding the file locArgyrios Kyrtzidis
if we are not interested in the decl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143255 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-28[PCH] Keep track of file-level declarations that are contained by files.Argyrios Kyrtzidis
Introduce a FILE_SORTED_DECLS [de]serialization record that contains a file sorted array of file-level DeclIDs in a PCH/Module. The rationale is to allow "targeted" deserialization of decls inside a range of a source file. Cocoa PCH increased by 0.8% Difference of creation time for Cocoa PCH is below the noise level. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143238 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27[PCH] Pull the location out of the serialized declarations and put it in the ↵Argyrios Kyrtzidis
array of decl bit offsets. This allows us to easily get at the location of a decl without deserializing it. It increases size of Cocoa PCH by only 0.2%. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143123 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27Make the loading of information attached to an IdentifierInfo from anDouglas Gregor
AST file more lazy, so that we don't eagerly load that information for all known identifiers each time a new AST file is loaded. The eager reloading made some sense in the context of precompiled headers, since very few identifiers were defined before PCH load time. With modules, however, a huge amount of code can get parsed before we see an @import, so laziness becomes important here. The approach taken to make this information lazy is fairly simple: when we load a new AST file, we mark all of the existing identifiers as being out-of-date. Whenever we want to access information that may come from an AST (e.g., whether the identifier has a macro definition, or what top-level declarations have that name), we check the out-of-date bit and, if it's set, ask the AST reader to update the IdentifierInfo from the AST files. The update is a merge, and we now take care to merge declarations before/after imports with declarations from multiple imports. The results of this optimization are fairly dramatic. On a small application that brings in 14 non-trivial modules, this takes modules from being > 3x slower than a "perfect" PCH file down to 30% slower for a full rebuild. A partial rebuild (where the PCH file or modules can be re-used) is down to 7% slower. Making the PCH file just a little imperfect (e.g., adding two smallish modules used by a bunch of .m files that aren't in the PCH file) tips the scales in favor of the modules approach, with 24% faster partial rebuilds. This is just a first step; the lazy scheme could possibly be improved by adding versioning, so we don't search into modules we already searched. Moreover, we'll need similar lazy schemes for all of the other lookup data structures, such as DeclContexts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143100 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-26Eliminate a hang while loading a sequence of redeclarable entities. InDouglas Gregor
essence, the redeclaration chain for a class could end up in an inconsistent state while deserializing multiple declarations in that chain, where the circular linked list was not, in fact, circular. Since only two redeclarations of the same entity will get loaded when we're in this state, restore circularity when both have been loaded. Fixes <rdar://problem/10324940> / PR11195. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143037 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Restore r142914 and r142915, now with missing file and apparentJohn McCall
GCC compiler workaround. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142931 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Revert r142914 and r142915, due to possibly missing file.NAKAMURA Takumi
r142914: "Introduce a placeholder type for "pseudo object"" r142915: "Pull the pseudo-object stuff into its own file." git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Introduce a placeholder type for "pseudo object"John McCall
expressions: expressions which refer to a logical rather than a physical l-value, where the logical object is actually accessed via custom getter/setter code. A subsequent patch will generalize the AST for these so that arbitrary "implementing" sub-expressions can be provided. Right now the only client is ObjC properties, but this should be generalizable to similar language features, e.g. Managed C++'s __property methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142914 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25Implement support for dependent Microsoft __if_exists/__if_not_existsDouglas Gregor
statements. As noted in the documentation for the AST node, the semantics of __if_exists/__if_not_exists are somewhat different from the way Visual C++ implements them, because our parsed-template representation can't accommodate VC++ semantics without serious contortions. Hopefully this implementation is "good enough". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142901 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-25[PCH] When visiting preprocessed entities, make it possible to avoid ↵Argyrios Kyrtzidis
deserializing preprocessed entities that are #included in the range that we are interested. This is useful when we are interested in preprocessed entities of a specific file, e.g when we are annotating tokens. There is also an optimization where we cache the last result of PreprocessingRecord::getPreprocessedEntitiesInRange and we re-use it if there is a call with the same range as before. rdar://10313365 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142887 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-21[PCH] When serializing Stmts, keep track of when sub statements are ↵Argyrios Kyrtzidis
referenced again and in such a case just write out a reference of a previously serialized Stmt, instead of serializing it all over again. This saves memory + space + [de]serializing time, and avoids blowing up memory with pathological cases. rdar://10293911 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142696 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Keep track when a ObjC interface/protocol was initially created as a forward ↵Argyrios Kyrtzidis
reference. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142230 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Controlling macros are identifiers, not declarations.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142225 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17Add a new placeholder type to represent "unbridged"John McCall
casts in ARC. No semantic analysis yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142208 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17For modules, all macros that aren't include guards are implicitlyDouglas Gregor
public. Add a __private_macro__ directive to hide a macro, similar to the __module_private__ declaration specifier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142188 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Provide half floating point support as a storage only type.Anton Korobeynikov
Lack of half FP was a regression compared to llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142016 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14[PCH] Serialize info about redeclared objc methods.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141964 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Add support for viewing the module graph via Graphviz, for debuggingDouglas Gregor
purposes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141697 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-11Initial implementation of __atomic_* (everything except __atomic_is_lock_free).Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141632 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-07Rename TagDecl::isDefinition -> isCompleteDefinitionJohn McCall
for better self-documenting code, since the semantics are subtly different from getDefinition(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141355 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06Support for C1x _Atomic specifier (see testcase). This is primarily being ↵Eli Friedman
committed at the moment to help support C++0x <atomic>, but it should be a solid base for implementing the full specification of C1x _Atomic. Thanks to Jeffrey Yasskin for the thorough review! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141330 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-05Added a flag to identify resolved overloaded function references.Abramo Bagnara
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141171 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04Improve location fidelity of objc decls.Argyrios Kyrtzidis
-Add the location of the class name to all objc container decls, not just ObjCInterfaceDecl. -Make objc decls consistent with the rest of the NamedDecls and have getLocation() point to the class name, not the location of '@'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141061 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-03Allow getting all source locations of selector identifiers in a ObjCMethodDecl.Argyrios Kyrtzidis
Instead of always storing all source locations for the selector identifiers we check whether all the identifiers are in a "standard" position; "standard" position is -Immediately before the arguments: -(id)first:(int)x second:(int)y; -With a space between the arguments: -(id)first: (int)x second: (int)y; -For nullary selectors, immediately before ';': -(void)release; In such cases we infer the locations instead of storing them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140989 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-03Allow getting all source locations of selector identifiers in a ObjCMessageExpr.Argyrios Kyrtzidis
Instead of always storing all source locations for the selector identifiers we check whether all the identifiers are in a "standard" position; "standard" position is -Immediately before the arguments: [foo first:1 second:2] -With a space between the arguments: [foo first: 1 second: 2] -For nullary selectors, immediately before ']': [foo release] In such cases we infer the locations instead of storing them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140987 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-03Pass from the parser the locations of selector identifiers when creatingArgyrios Kyrtzidis
objc method decls. They are not stored in the AST yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140984 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-03Don't keep NumSelectorArgs in the ObjCMethodDecl, the number can be derived ↵Argyrios Kyrtzidis
from the selector. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140983 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-30Mark a TagDecl when it is free standing (e.g. "struct foo;")Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140894 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-29Basic/Diagnostic: Add a DiagSate::getOrAddMappingInfo method.Daniel Dunbar
- Also, spell const_iterator as const_iterator. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140765 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-29Basic/Diagnostics: Add a DiagnosticMappingInfo helper class, and switch toDaniel Dunbar
storing mappings with that instead of straying some magic constants about the source. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140760 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-26Add a comment in ASTReader::ReadPragmaDiagnosticMappings that the user bitArgyrios Kyrtzidis
is set by the setDiagnosticMapping call. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140578 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-25Rename Diagnostic to DiagnosticsEngine as per issue 5397David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140478 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Fix up assertion a bit moreDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140424 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Removing a bunch of dead returns/breaks after llvm_unreachables.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140407 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Eliminate an MSVC comparison warning, from Aaron BallmanDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140388 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Switch assert(0/false) llvm_unreachable.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-22Do manual binary search for preprocessing entities because their end locationsArgyrios Kyrtzidis
may be unordered and MSVC's debug-mode doesn't like it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140337 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-22Don't use TemplateArgumentListInfo inside AST nodes because it may leak.Argyrios Kyrtzidis
Use ASTTemplateArgumentListInfo instead. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140331 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-22Rename ExplicitTemplateArgumentList -> ASTTemplateArgumentListInfo, no ↵Argyrios Kyrtzidis
functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140330 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-21ArrayRef-ifying Function/BlockDecl's setParamsDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140268 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-21Fix MSVC9 build by providing a full comparator object to lower_bound.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140238 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-20[PCH] Don't store the source range for each preprocessed entity sinceArgyrios Kyrtzidis
we already have the range in the PPEntityOffsets array. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140209 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-20[PCH] Merge ASTReader::LoadPreprocessedEntity with ReadPreprocessedEntityArgyrios Kyrtzidis
and don't store the ID for each preprocessed entity. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140208 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-20The location of the name in MacroDefinition is the beginning of its range,Argyrios Kyrtzidis
don't store an extra location for it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140190 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-19In libclang, when visiting preprocessed entities in a source range, useArgyrios Kyrtzidis
PreprocessingRecord's getPreprocessedEntitiesInRange. Also remove all the stuff that were added in ASTUnit that are unnecessary now that we do a binary search for preprocessed entities and deserialize only what is necessary. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140063 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-19Introduce local_begin()/local_end() methods in PreprocessingRecord whichArgyrios Kyrtzidis
return iterators for local, non-loaded, preprocessed entities. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140062 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-19[libclang] When getting a source location from a file:line:col tripletArgyrios Kyrtzidis
check whether the requested location points inside the precompiled preamble, in which case the returned source location will be a "loaded" one. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140060 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-19Introduce PreprocessingRecord::getPreprocessedEntitiesInRange()Argyrios Kyrtzidis
which will do a binary search and return a pair of iterators for preprocessed entities in the given source range. Source ranges of preprocessed entities are stored twice currently in the PCH/Module file but this will be fixed in a subsequent commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140058 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-19Rename SourceLocation::getFileLocWithOffset -> getLocWithOffset.Argyrios Kyrtzidis
It already works (and is useful with) macro locs as well. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140057 91177308-0d34-0410-b5e6-96231b3b80d8
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